AMC 8 2007 Problem 16

Amanda Reckonwith draws five circles with radii $1, 2, 3, 4$ and $5$. Then for each circle she plots the point $(C,A)$, where $C$ is its circumference and $A$ is its area. Which of the following could be her graph? $\textbf{(A)}$

$\textbf{(B)}$

$\textbf{(C)}$

$\textbf{(D)}$

$\textbf{(E)}$